Mongge

63.- Drawing the common tangent lines inside two given circumferences

Carlos Navarro
 
 2.562
 
Erabaki
Konponketa

Draw the common tangent lines inside two given circumferences. Indicate the points of tangency

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O

O´

r=90

r´=30

Arc´s radius to draw the perpendicular bisector of segment OO´=130

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